./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:11:00,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:11:00,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:11:00,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:11:00,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:11:00,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:11:00,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:11:00,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:11:00,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:11:00,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:11:00,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:11:00,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:11:00,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:11:00,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:11:00,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:11:00,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:11:00,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:11:00,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:11:00,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:11:00,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:11:00,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:11:00,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:11:00,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:11:00,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:11:00,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:11:00,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:11:00,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:11:00,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:11:00,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:11:00,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:11:00,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:11:00,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:11:00,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:11:00,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:11:00,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:11:00,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:11:00,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:11:00,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:11:00,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:11:00,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:11:00,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:11:00,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 04:11:00,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:11:00,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:11:00,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:11:00,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:11:00,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:11:00,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:11:00,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:11:00,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:11:00,531 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:11:00,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:11:00,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:11:00,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:11:00,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:11:00,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:11:00,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:11:00,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:11:00,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:11:00,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:11:00,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:11:00,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:11:00,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:11:00,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:11:00,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:11:00,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:11:00,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:11:00,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:11:00,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:11:00,536 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:11:00,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:11:00,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:11:00,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:11:00,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-19 04:11:00,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:11:00,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:11:00,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:11:00,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:11:00,911 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:11:00,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 04:11:00,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/data/c8acc1242/0b1a419ba4a44b9b92788609136f4f17/FLAG1021243eb [2021-11-19 04:11:02,339 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:11:02,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 04:11:02,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/data/c8acc1242/0b1a419ba4a44b9b92788609136f4f17/FLAG1021243eb [2021-11-19 04:11:02,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/data/c8acc1242/0b1a419ba4a44b9b92788609136f4f17 [2021-11-19 04:11:02,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:11:02,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:11:02,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:11:02,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:11:02,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:11:02,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:02" (1/1) ... [2021-11-19 04:11:02,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603a8dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:02, skipping insertion in model container [2021-11-19 04:11:02,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:02" (1/1) ... [2021-11-19 04:11:02,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:11:03,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:11:09,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 04:11:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 04:11:09,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 04:11:09,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 04:11:09,110 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:11:09,202 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:11:09,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-19 04:11:09,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-19 04:11:09,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-19 04:11:09,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-19 04:11:09,868 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:11:10,238 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:11:10,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10 WrapperNode [2021-11-19 04:11:10,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:11:10,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:11:10,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:11:10,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:11:10,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:10,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:10,855 INFO L137 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8567 [2021-11-19 04:11:10,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:11:10,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:11:10,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:11:10,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:11:10,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:10,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:10,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:10,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:11,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:11,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:11,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:11,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:11:11,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:11:11,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:11:11,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:11:11,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (1/1) ... [2021-11-19 04:11:11,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:11:11,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:11:11,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:11:11,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7a0fec-e0d3-45b0-8dd5-8ecb65d4e55a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:11:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-19 04:11:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-19 04:11:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 04:11:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 04:11:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 04:11:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 04:11:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:11:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:11:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-19 04:11:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-19 04:11:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-19 04:11:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-19 04:11:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 04:11:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 04:11:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-19 04:11:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-19 04:11:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:11:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:11:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-19 04:11:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-19 04:11:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-19 04:11:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-19 04:11:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-19 04:11:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-19 04:11:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 04:11:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 04:11:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-19 04:11:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-19 04:11:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-11-19 04:11:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-11-19 04:11:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 04:11:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 04:11:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-19 04:11:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-19 04:11:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-19 04:11:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-19 04:11:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-19 04:11:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-19 04:11:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 04:11:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 04:11:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-19 04:11:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-19 04:11:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 04:11:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 04:11:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 04:11:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 04:11:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-19 04:11:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-19 04:11:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-19 04:11:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-19 04:11:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 04:11:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 04:11:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 04:11:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 04:11:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-19 04:11:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-19 04:11:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-19 04:11:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:11:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-19 04:11:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-19 04:11:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 04:11:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 04:11:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-19 04:11:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-19 04:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-19 04:11:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-19 04:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 04:11:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 04:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 04:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 04:11:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 04:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-19 04:11:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-19 04:11:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-19 04:11:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-19 04:11:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 04:11:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 04:11:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 04:11:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 04:11:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-19 04:11:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-19 04:11:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:11:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 04:11:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 04:11:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:11:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 04:11:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 04:11:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:11:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:11:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 04:11:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 04:11:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 04:11:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 04:11:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-19 04:11:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-19 04:11:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 04:11:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 04:11:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-19 04:11:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-19 04:11:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 04:11:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 04:11:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 04:11:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 04:11:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-19 04:11:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-19 04:11:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:11:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:11:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 04:11:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 04:11:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-19 04:11:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-19 04:11:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:11:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 04:11:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 04:11:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 04:11:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 04:11:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-19 04:11:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-19 04:11:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:11:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-19 04:11:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-19 04:11:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 04:11:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 04:11:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 04:11:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 04:11:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:11:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:11:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:11:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-19 04:11:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-19 04:11:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 04:11:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 04:11:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:11:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:11:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-19 04:11:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-19 04:11:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-19 04:11:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-19 04:11:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-19 04:11:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-19 04:11:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 04:11:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 04:11:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-19 04:11:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-19 04:11:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 04:11:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 04:11:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-19 04:11:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-19 04:11:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 04:11:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 04:11:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 04:11:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 04:11:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-19 04:11:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-19 04:11:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-19 04:11:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-19 04:11:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:11:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:11:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-19 04:11:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-19 04:11:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 04:11:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 04:11:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-19 04:11:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-19 04:11:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:11:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:11:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 04:11:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 04:11:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-19 04:11:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-19 04:11:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:11:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:11:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 04:11:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 04:11:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-19 04:11:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-19 04:11:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-19 04:11:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-19 04:11:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 04:11:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 04:11:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-19 04:11:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-19 04:11:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-19 04:11:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-19 04:11:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-19 04:11:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-19 04:11:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-19 04:11:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-19 04:11:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-19 04:11:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-19 04:11:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:11:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:11:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-19 04:11:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-19 04:11:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 04:11:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 04:11:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-19 04:11:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-19 04:11:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 04:11:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 04:11:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-19 04:11:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-19 04:11:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-19 04:11:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-19 04:11:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 04:11:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 04:11:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-19 04:11:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-19 04:11:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:11:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-19 04:11:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-19 04:11:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-19 04:11:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-19 04:11:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-19 04:11:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-19 04:11:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-19 04:11:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-19 04:11:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:11:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-19 04:11:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-19 04:11:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-19 04:11:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-19 04:11:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-19 04:11:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-19 04:11:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:11:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 04:11:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 04:11:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-19 04:11:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-19 04:11:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-19 04:11:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-19 04:11:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-19 04:11:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-19 04:11:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-19 04:11:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-19 04:11:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-19 04:11:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-19 04:11:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 04:11:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 04:11:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 04:11:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 04:11:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 04:11:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 04:11:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-19 04:11:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-19 04:11:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 04:11:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 04:11:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-19 04:11:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-19 04:11:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-19 04:11:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-19 04:11:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-19 04:11:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-19 04:11:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-19 04:11:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-19 04:11:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-19 04:11:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-19 04:11:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 04:11:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 04:11:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 04:11:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 04:11:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 04:11:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 04:11:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-19 04:11:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-19 04:11:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 04:11:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 04:11:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-11-19 04:11:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-11-19 04:11:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-19 04:11:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-19 04:11:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:11:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-19 04:11:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-19 04:11:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 04:11:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 04:11:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-19 04:11:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-19 04:11:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 04:11:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 04:11:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-19 04:11:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-19 04:11:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 04:11:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 04:11:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-19 04:11:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-19 04:11:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-19 04:11:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-19 04:11:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-19 04:11:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-19 04:11:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-19 04:11:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-19 04:11:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 04:11:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 04:11:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-19 04:11:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-19 04:11:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-19 04:11:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-19 04:11:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-19 04:11:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-19 04:11:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-19 04:11:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-19 04:11:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-19 04:11:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-19 04:11:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-19 04:11:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-19 04:11:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 04:11:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 04:11:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-19 04:11:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-19 04:11:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-19 04:11:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-19 04:11:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-19 04:11:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-19 04:11:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-19 04:11:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-19 04:11:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-19 04:11:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-19 04:11:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-19 04:11:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-19 04:11:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:11:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 04:11:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 04:11:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 04:11:13,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:11:13,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:11:13,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 04:11:33,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 04:11:33,958 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:11:34,017 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:11:34,018 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-19 04:11:34,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:34 BoogieIcfgContainer [2021-11-19 04:11:34,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:11:34,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:11:34,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:11:34,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:11:34,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:02" (1/3) ... [2021-11-19 04:11:34,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323625c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:34, skipping insertion in model container [2021-11-19 04:11:34,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:10" (2/3) ... [2021-11-19 04:11:34,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323625c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:34, skipping insertion in model container [2021-11-19 04:11:34,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:34" (3/3) ... [2021-11-19 04:11:34,037 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-19 04:11:34,044 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:11:34,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 04:11:34,124 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:11:34,132 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:11:34,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 04:11:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-11-19 04:11:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-19 04:11:34,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:11:34,270 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:11:34,271 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:11:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:11:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2021-11-19 04:11:34,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:11:34,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322735514] [2021-11-19 04:11:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:11:34,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:11:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:11:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:11:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:11:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:11:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:11:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:11:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:11:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:11:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:11:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:11:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:11:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:11:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:11:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:11:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:11:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:11:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:11:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:11:35,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:11:35,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322735514] [2021-11-19 04:11:35,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322735514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:11:35,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:11:35,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:11:35,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351680935] [2021-11-19 04:11:35,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:11:35,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:11:35,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:11:35,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:11:35,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:11:35,851 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:11:37,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:11:39,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:11:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:11:56,913 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2021-11-19 04:11:56,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:11:56,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2021-11-19 04:11:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:11:57,066 INFO L225 Difference]: With dead ends: 11984 [2021-11-19 04:11:57,067 INFO L226 Difference]: Without dead ends: 8046 [2021-11-19 04:11:57,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:11:57,140 INFO L933 BasicCegarLoop]: 5361 mSDtfsCounter, 9138 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 4356 mSolverCounterSat, 3957 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10008 SdHoareTripleChecker+Valid, 10236 SdHoareTripleChecker+Invalid, 8315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3957 IncrementalHoareTripleChecker+Valid, 4356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:11:57,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10008 Valid, 10236 Invalid, 8315 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3957 Valid, 4356 Invalid, 2 Unknown, 0 Unchecked, 19.7s Time] [2021-11-19 04:11:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2021-11-19 04:11:57,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2021-11-19 04:11:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2021-11-19 04:11:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2021-11-19 04:11:57,920 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2021-11-19 04:11:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:11:57,930 INFO L470 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2021-11-19 04:11:57,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:11:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2021-11-19 04:11:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-19 04:11:57,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:11:57,948 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:11:57,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:11:57,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:11:57,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:11:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2021-11-19 04:11:57,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:11:57,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912230054] [2021-11-19 04:11:57,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:11:57,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:11:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:11:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:11:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:11:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:11:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:11:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:11:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:11:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:11:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:11:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:11:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:11:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:11:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:11:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:11:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:11:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:11:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:11:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-19 04:11:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-19 04:11:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:11:58,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:11:58,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912230054] [2021-11-19 04:11:58,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912230054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:11:58,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:11:58,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:11:58,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037297017] [2021-11-19 04:11:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:11:58,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:11:58,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:11:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:11:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:11:58,774 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 04:12:00,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:12:02,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:12:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:12:21,389 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2021-11-19 04:12:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:12:21,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2021-11-19 04:12:21,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:12:21,606 INFO L225 Difference]: With dead ends: 23286 [2021-11-19 04:12:21,606 INFO L226 Difference]: Without dead ends: 15627 [2021-11-19 04:12:21,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:12:21,709 INFO L933 BasicCegarLoop]: 5353 mSDtfsCounter, 8969 mSDsluCounter, 5084 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 4028 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9789 SdHoareTripleChecker+Valid, 10437 SdHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4028 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2021-11-19 04:12:21,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9789 Valid, 10437 Invalid, 8453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4028 Valid, 4423 Invalid, 2 Unknown, 0 Unchecked, 21.5s Time] [2021-11-19 04:12:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2021-11-19 04:12:22,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2021-11-19 04:12:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15201 states, 10863 states have (on average 1.3469575623676702) internal successors, (14632), 10957 states have internal predecessors, (14632), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2021-11-19 04:12:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2021-11-19 04:12:23,409 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2021-11-19 04:12:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:12:23,410 INFO L470 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2021-11-19 04:12:23,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 04:12:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2021-11-19 04:12:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-19 04:12:23,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:12:23,422 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:12:23,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:12:23,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:12:23,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:12:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2021-11-19 04:12:23,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:12:23,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806392514] [2021-11-19 04:12:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:12:23,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:12:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:12:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:12:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:12:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:12:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:12:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:12:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:12:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:12:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:12:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:12:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:12:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:12:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:12:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:12:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:12:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:12:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-19 04:12:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:12:24,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:12:24,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806392514] [2021-11-19 04:12:24,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806392514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:12:24,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:12:24,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:12:24,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16668837] [2021-11-19 04:12:24,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:12:24,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:12:24,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:12:24,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:12:24,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:12:24,231 INFO L87 Difference]: Start difference. First operand 15201 states and 22505 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:12:26,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:12:28,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:12:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:12:43,915 INFO L93 Difference]: Finished difference Result 46139 states and 68664 transitions. [2021-11-19 04:12:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:12:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2021-11-19 04:12:43,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:12:44,204 INFO L225 Difference]: With dead ends: 46139 [2021-11-19 04:12:44,205 INFO L226 Difference]: Without dead ends: 30973 [2021-11-19 04:12:44,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:12:44,304 INFO L933 BasicCegarLoop]: 5328 mSDtfsCounter, 9096 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 4380 mSolverCounterSat, 4007 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9960 SdHoareTripleChecker+Valid, 10184 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 4380 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:12:44,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9960 Valid, 10184 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4007 Valid, 4380 Invalid, 2 Unknown, 0 Unchecked, 18.6s Time] [2021-11-19 04:12:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30973 states. [2021-11-19 04:12:46,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30973 to 30449. [2021-11-19 04:12:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30449 states, 21795 states have (on average 1.3443450332645102) internal successors, (29300), 21887 states have internal predecessors, (29300), 7340 states have call successors, (7340), 1198 states have call predecessors, (7340), 1311 states have return successors, (8613), 7603 states have call predecessors, (8613), 7337 states have call successors, (8613) [2021-11-19 04:12:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30449 states to 30449 states and 45253 transitions. [2021-11-19 04:12:47,277 INFO L78 Accepts]: Start accepts. Automaton has 30449 states and 45253 transitions. Word has length 205 [2021-11-19 04:12:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:12:47,279 INFO L470 AbstractCegarLoop]: Abstraction has 30449 states and 45253 transitions. [2021-11-19 04:12:47,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:12:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30449 states and 45253 transitions. [2021-11-19 04:12:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-19 04:12:47,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:12:47,291 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:12:47,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:12:47,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:12:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:12:47,292 INFO L85 PathProgramCache]: Analyzing trace with hash -202220775, now seen corresponding path program 1 times [2021-11-19 04:12:47,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:12:47,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689544828] [2021-11-19 04:12:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:12:47,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:12:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:12:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:12:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:12:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:12:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:12:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:12:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:12:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:12:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:12:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:12:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:12:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:12:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:12:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:12:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:12:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:12:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:12:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:12:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:12:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:12:47,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:12:47,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689544828] [2021-11-19 04:12:47,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689544828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:12:47,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:12:47,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:12:47,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64495374] [2021-11-19 04:12:47,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:12:47,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:12:47,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:12:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:12:47,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:12:47,992 INFO L87 Difference]: Start difference. First operand 30449 states and 45253 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:12:50,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:12:52,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:08,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:13:08,358 INFO L93 Difference]: Finished difference Result 91901 states and 136942 transitions. [2021-11-19 04:13:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:13:08,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2021-11-19 04:13:08,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:13:09,007 INFO L225 Difference]: With dead ends: 91901 [2021-11-19 04:13:09,008 INFO L226 Difference]: Without dead ends: 61487 [2021-11-19 04:13:09,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:13:09,173 INFO L933 BasicCegarLoop]: 5336 mSDtfsCounter, 9090 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 4003 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9955 SdHoareTripleChecker+Valid, 10202 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4003 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:13:09,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9955 Valid, 10202 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4003 Valid, 4384 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2021-11-19 04:13:09,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61487 states. [2021-11-19 04:13:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61487 to 60765. [2021-11-19 04:13:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60765 states, 43519 states have (on average 1.3430455663043728) internal successors, (58448), 43607 states have internal predecessors, (58448), 14584 states have call successors, (14584), 2394 states have call predecessors, (14584), 2659 states have return successors, (17441), 15243 states have call predecessors, (17441), 14581 states have call successors, (17441) [2021-11-19 04:13:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60765 states to 60765 states and 90473 transitions. [2021-11-19 04:13:14,058 INFO L78 Accepts]: Start accepts. Automaton has 60765 states and 90473 transitions. Word has length 206 [2021-11-19 04:13:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:13:14,059 INFO L470 AbstractCegarLoop]: Abstraction has 60765 states and 90473 transitions. [2021-11-19 04:13:14,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:13:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 60765 states and 90473 transitions. [2021-11-19 04:13:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-19 04:13:14,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:14,067 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:14,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:13:14,068 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:13:14,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:14,069 INFO L85 PathProgramCache]: Analyzing trace with hash 468691212, now seen corresponding path program 1 times [2021-11-19 04:13:14,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:14,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695071685] [2021-11-19 04:13:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:13:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:13:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:13:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:13:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:13:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:13:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:13:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:13:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:13:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:13:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:13:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:13:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:13:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:13:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:13:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:13:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-19 04:13:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:13:14,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:14,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695071685] [2021-11-19 04:13:14,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695071685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:14,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:14,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:13:14,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499146701] [2021-11-19 04:13:14,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:14,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:13:14,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:14,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:13:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:13:14,835 INFO L87 Difference]: Start difference. First operand 60765 states and 90473 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:13:16,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:18,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:38,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:13:38,171 INFO L93 Difference]: Finished difference Result 182885 states and 272690 transitions. [2021-11-19 04:13:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:13:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2021-11-19 04:13:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:13:39,111 INFO L225 Difference]: With dead ends: 182885 [2021-11-19 04:13:39,112 INFO L226 Difference]: Without dead ends: 122155 [2021-11-19 04:13:39,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:13:39,659 INFO L933 BasicCegarLoop]: 5340 mSDtfsCounter, 9085 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 4386 mSolverCounterSat, 4001 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9948 SdHoareTripleChecker+Valid, 10202 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4001 IncrementalHoareTripleChecker+Valid, 4386 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:13:39,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9948 Valid, 10202 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4001 Valid, 4386 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time] [2021-11-19 04:13:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122155 states. [2021-11-19 04:13:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122155 to 121037. [2021-11-19 04:13:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121037 states, 86687 states have (on average 1.3423927463172103) internal successors, (116368), 86767 states have internal predecessors, (116368), 28992 states have call successors, (28992), 4786 states have call predecessors, (28992), 5355 states have return successors, (35021), 30443 states have call predecessors, (35021), 28989 states have call successors, (35021) [2021-11-19 04:13:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121037 states to 121037 states and 180381 transitions. [2021-11-19 04:13:47,432 INFO L78 Accepts]: Start accepts. Automaton has 121037 states and 180381 transitions. Word has length 207 [2021-11-19 04:13:47,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:13:47,437 INFO L470 AbstractCegarLoop]: Abstraction has 121037 states and 180381 transitions. [2021-11-19 04:13:47,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:13:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 121037 states and 180381 transitions. [2021-11-19 04:13:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-19 04:13:47,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:47,446 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:47,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:13:47,446 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:13:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2007606172, now seen corresponding path program 1 times [2021-11-19 04:13:47,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:47,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814428023] [2021-11-19 04:13:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:47,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:13:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:13:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:13:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:13:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:13:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:13:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:13:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:13:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:13:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:13:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:13:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:13:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:13:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:13:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:13:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:13:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 04:13:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 04:13:48,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:48,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814428023] [2021-11-19 04:13:48,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814428023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:48,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:48,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:13:48,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782110607] [2021-11-19 04:13:48,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:48,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:13:48,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:48,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:13:48,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:13:48,535 INFO L87 Difference]: Start difference. First operand 121037 states and 180381 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:13:50,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:52,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:14:17,356 INFO L93 Difference]: Finished difference Result 362799 states and 541188 transitions. [2021-11-19 04:14:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:14:17,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2021-11-19 04:14:17,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:14:18,976 INFO L225 Difference]: With dead ends: 362799 [2021-11-19 04:14:18,976 INFO L226 Difference]: Without dead ends: 241797 [2021-11-19 04:14:20,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:14:20,004 INFO L933 BasicCegarLoop]: 5341 mSDtfsCounter, 9082 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 3999 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9945 SdHoareTripleChecker+Valid, 10203 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3999 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:14:20,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9945 Valid, 10203 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3999 Valid, 4388 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2021-11-19 04:14:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241797 states. [2021-11-19 04:14:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241797 to 239839. [2021-11-19 04:14:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239839 states, 171773 states have (on average 1.3422947727524117) internal successors, (230570), 171817 states have internal predecessors, (230570), 57370 states have call successors, (57370), 9518 states have call predecessors, (57370), 10693 states have return successors, (69743), 60409 states have call predecessors, (69743), 57367 states have call successors, (69743) [2021-11-19 04:14:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239839 states to 239839 states and 357683 transitions. [2021-11-19 04:14:35,444 INFO L78 Accepts]: Start accepts. Automaton has 239839 states and 357683 transitions. Word has length 208 [2021-11-19 04:14:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:14:35,445 INFO L470 AbstractCegarLoop]: Abstraction has 239839 states and 357683 transitions. [2021-11-19 04:14:35,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 04:14:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 239839 states and 357683 transitions. [2021-11-19 04:14:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-19 04:14:35,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:14:35,471 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:14:35,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:14:35,471 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:14:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:14:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash -701920792, now seen corresponding path program 1 times [2021-11-19 04:14:35,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:14:35,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026182873] [2021-11-19 04:14:35,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:14:35,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:14:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:14:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:14:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:14:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:14:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:14:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:14:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:14:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:14:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:14:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:14:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:14:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:14:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:14:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:14:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:14:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-19 04:14:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-19 04:14:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-19 04:14:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-19 04:14:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-19 04:14:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-19 04:14:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-19 04:14:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-19 04:14:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-11-19 04:14:36,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:14:36,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026182873] [2021-11-19 04:14:36,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026182873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:14:36,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:14:36,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:14:36,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060309635] [2021-11-19 04:14:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:14:36,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:14:36,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:14:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:14:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:14:36,458 INFO L87 Difference]: Start difference. First operand 239839 states and 357683 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 04:14:38,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []